Answer:
3
HCF of 12, 45 and 75 by Prime Factorization
As visible, 12, 45 and 75 have only one common prime factor i.e. 3. Hence, the HCF of 12, 45 and 75 is 3.
Step-by-step explanation:
Hey there,
Both

= 85 and

are 80°.
1.) First off, the reason why there would be 80° would be because by looking at this angel, this angel is a obtuse angel. And also, it is also close to being a (right angel). And a right angel is 90°. So this is a clue that it would be around there.
2.) The area of this figure would be 300°.So in order to find the other angel's, we would have plug in both <em>x =85 and also y=80.
</em>Hope this helps.
<em>
~Jurgen.</em>
17 - 3 hours
18 - 11 kilometers per hour
19 - Each ticket cost is 9.45
20 - 6 bags